My oldest is 4y9m, middle is 3y1m, and youngest is 17m. They are all 20 months apart, so this will be longer spacing for us, whenever it happens. If I end up in June the youngest will be 26 months when the baby is born. We were hoping for closer spacing.
for those of you nervous, 3 kids under 4 isn't too bad. DS1 was 3y4m and DS2 20m when DS3 was born. It was busy, and tough at times, but not too bad. If I get pregnant this cycle I'll have 3 under 4 again, but only for a couple months.
My DD will be almost 3 1/2 when this baby is born!
My first two are 23 months apart, this one will be about the same. I LOVE the close age gap between my oldest two, but my 2nd was a very easy/sleepy baby (esp compared to my super high maintenance DD!) so that made the first few months much easier. We'll see if I get that lucky again...